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Articles 1 - 3 of 3
Full-Text Articles in Nanoscience and Nanotechnology
Pretreatment Of Loblolly Pine Tree Toppings (Needled) Using Dess, Prathima Gujjula
Pretreatment Of Loblolly Pine Tree Toppings (Needled) Using Dess, Prathima Gujjula
Master's Theses
Contemporary industrial development and swift urbanization require environmentally sustainable energy sources. Ethanol made from biomass provides unique environmental and economic strategic benefits and can be considered a safe and clean liquid fuel alternative to fossil fuels. Ethanol’s significant advantages, such as low cost, biodegradability, and abundance, make the application of biomass for production of biorenewable energy favorable. However, biomass must be subjected to pretreatment processes to liberate the components needed for effective enzymatic hydrolysis that converts cellulose to sugars prior to fermentation to create biofuel. Production of valueadded co-products besides biofuels, through coordinated bio refinery processes, requires selectivity during pretreatment. …
Surface Engineering Solutions For Immersion Phase Change Cooling Of Electronics, Brendon M. Doran
Surface Engineering Solutions For Immersion Phase Change Cooling Of Electronics, Brendon M. Doran
Master's Theses
Micro- and nano-scale surface modifications have been a subject of great interest for enhancing the pool boiling heat transfer performance of immersion cooling systems due to their ability to augment surface area, improve wickability, and increase nucleation site density. However, many of the surface modification technologies that have been previously demonstrated show a lack of evidence concerning scalability for use at an industrial level. In this work, the pool boiling heat transfer performance of nanoporous anodic aluminum oxide (AAO) films, copper oxide (CuO) nanostructure coatings, and 1D roll-molded microfin arrays has been studied. Each of these technologies possess scalability in …
Metal Segregation During The Solidification Of Titanium-Aluminum Alloys For 3d Printing Applications, Jwala Parajuli
Metal Segregation During The Solidification Of Titanium-Aluminum Alloys For 3d Printing Applications, Jwala Parajuli
Master's Theses
Titanium-Aluminum alloys are one of the widely used alloys in multiple engineering applications. They are highly preferred in Selective Laser Melting (SLM) processes due to their low density, high melting temperature, and good strength. Segregation occurs during the solidification of most alloys and produces a non-uniform distribution of atoms. In SLM, segregation may depict the type of adhesion between the two deposited interfacial layers and the strength between the interphase between an already solidified layer and a new one, and overall, the quality of the printed part. In order to avoid segregation, the understanding of the segregation behavior at atomistic …